DE60111282D1 - Rare earth-containing three-way catalysts - Google Patents
Rare earth-containing three-way catalystsInfo
- Publication number
- DE60111282D1 DE60111282D1 DE60111282T DE60111282T DE60111282D1 DE 60111282 D1 DE60111282 D1 DE 60111282D1 DE 60111282 T DE60111282 T DE 60111282T DE 60111282 T DE60111282 T DE 60111282T DE 60111282 D1 DE60111282 D1 DE 60111282D1
- Authority
- DE
- Germany
- Prior art keywords
- rare earth
- way catalysts
- catalysts
- way
- rare
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003054 catalyst Substances 0.000 title 1
- 229910052761 rare earth metal Inorganic materials 0.000 title 1
- 150000002910 rare earth metals Chemical class 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0248—Coatings comprising impregnated particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/04—Mixing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/496,527 US6569392B1 (en) | 2000-02-02 | 2000-02-02 | Three-way rare earth oxide catalyst |
US496527 | 2000-02-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60111282D1 true DE60111282D1 (en) | 2005-07-14 |
DE60111282T2 DE60111282T2 (en) | 2006-05-18 |
Family
ID=23973025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60111282T Expired - Lifetime DE60111282T2 (en) | 2000-02-02 | 2001-01-29 | Rare earth-containing three-way catalysts |
Country Status (5)
Country | Link |
---|---|
US (1) | US6569392B1 (en) |
EP (1) | EP1121979B1 (en) |
JP (1) | JP2001232200A (en) |
CN (1) | CN1167501C (en) |
DE (1) | DE60111282T2 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10013895A1 (en) * | 2000-03-21 | 2001-10-04 | Dmc2 Degussa Metals Catalysts Cerdec Ag | Water gas shift reaction, useful in mobile unit in vehicle for removing carbon monoxide from gas mixture containing hydrogen for fuel cell, uses catalyst based on noble metal coating on inert carrier |
JP3855266B2 (en) * | 2001-11-01 | 2006-12-06 | 日産自動車株式会社 | Exhaust gas purification catalyst |
FR2852592B1 (en) * | 2003-03-18 | 2007-02-23 | Rhodia Elect & Catalysis | COMPOSITIONS BASED ON A CERIUM OXIDE, A ZIRCONIUM OXIDE AND, POSSIBLY, AN OXIDE OF ANOTHER RARE EARTH, WITH A HIGH SPECIFIC SURFACE AT 1100 C, PROCESS FOR THEIR PREPARATION AND THEIR USE AS A CATALYST |
JP4165443B2 (en) * | 2004-04-27 | 2008-10-15 | トヨタ自動車株式会社 | Method for producing metal oxide particles and exhaust gas purification catalyst |
CN100374199C (en) * | 2004-05-14 | 2008-03-12 | 中国科学院生态环境研究中心 | Method for preparing palladium catalyst carried by composite oxides of Ce-Zr |
CN100389247C (en) * | 2005-07-06 | 2008-05-21 | 韩昭 | Motor vehicle exhaust catalytic converter, and its preparing method |
JP4833605B2 (en) * | 2005-07-21 | 2011-12-07 | 株式会社キャタラー | Exhaust gas purification catalyst |
JP4714568B2 (en) * | 2005-11-22 | 2011-06-29 | マツダ株式会社 | Exhaust gas purification catalyst and method for producing the same |
JP4851190B2 (en) * | 2006-01-13 | 2012-01-11 | 戸田工業株式会社 | Exhaust gas purification catalyst |
JP5425361B2 (en) * | 2006-07-28 | 2014-02-26 | 東京エレクトロン株式会社 | Plasma surface treatment method, plasma treatment method, and plasma treatment apparatus |
US7718832B1 (en) | 2006-12-29 | 2010-05-18 | Pacific Renewable Fuels, Inc. | Combination catalytic process for producing ethanol from synthesis gas |
JPWO2008126309A1 (en) | 2007-03-30 | 2010-07-22 | イビデン株式会社 | Mixed particles and honeycomb structure |
DE102007019197A1 (en) | 2007-04-20 | 2008-10-23 | Volkswagen Ag | Exhaust gas aftertreatment with reduced rhodium loading |
US7922988B2 (en) * | 2007-08-09 | 2011-04-12 | Michel Deeba | Multilayered catalyst compositions |
US7879755B2 (en) * | 2007-08-09 | 2011-02-01 | Basf Corporation | Catalyst compositions |
US8038951B2 (en) * | 2007-08-09 | 2011-10-18 | Basf Corporation | Catalyst compositions |
US7976784B2 (en) * | 2007-12-18 | 2011-07-12 | Basf Corporation | Methods and systems including CO oxidation catalyst with low NO to NO2 conversion |
WO2009118865A1 (en) * | 2008-03-27 | 2009-10-01 | イビデン株式会社 | Honeycomb structure |
JP5422087B2 (en) | 2008-08-08 | 2014-02-19 | 本田技研工業株式会社 | Low noble metal supported three way catalyst |
DE102008061644B4 (en) * | 2008-12-12 | 2014-01-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cellular material for high temperature applications and process for its preparation |
DE102009006403A1 (en) * | 2009-01-28 | 2010-08-05 | Süd-Chemie AG | Vanadium-free diesel oxidation catalyst and process for its preparation |
US8568675B2 (en) * | 2009-02-20 | 2013-10-29 | Basf Corporation | Palladium-supported catalyst composites |
DE102011010106A1 (en) * | 2010-02-01 | 2011-08-04 | Johnson Matthey Public Limited Company | Extruded SCR filter |
US8580701B2 (en) * | 2010-11-19 | 2013-11-12 | Corning Incorporated | Method of controlling Ce:Zr ratio in oxide nanoparticles |
US9266092B2 (en) | 2013-01-24 | 2016-02-23 | Basf Corporation | Automotive catalyst composites having a two-metal layer |
WO2014164732A1 (en) * | 2013-03-12 | 2014-10-09 | Basf Corporation | Catalyst materials for no oxidation |
KR102483435B1 (en) * | 2014-12-08 | 2023-01-02 | 바스프 코포레이션 | Nitrous oxide removal catalysts for exhaust systems |
KR20170115075A (en) * | 2015-02-05 | 2017-10-16 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | Three-way catalyst |
CN104785257B (en) * | 2015-04-02 | 2018-07-03 | 无锡威孚环保催化剂有限公司 | A kind of single coating three-way catalyst and preparation method thereof |
US9914095B1 (en) * | 2017-02-08 | 2018-03-13 | Ford Global Technologies, Llc | Catalyst for automotive emissions control |
CN110904468B (en) * | 2019-12-05 | 2021-07-13 | 河北大学 | Cerium-doped tungsten phosphide submicron sphere composite material and preparation method and application thereof |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2907106C2 (en) * | 1979-02-23 | 1985-12-19 | Degussa Ag, 6000 Frankfurt | Catalytic converter and its use for cleaning exhaust gases from internal combustion engines |
US4440874A (en) * | 1982-04-14 | 1984-04-03 | Engelhard Corporation | Catalyst composition and method for its manufacture |
CA1213874A (en) * | 1983-05-12 | 1986-11-12 | Tomohisa Ohata | Process for producing honeycomb catalyst for exhaust gas conversion |
JPS63190642A (en) * | 1987-01-29 | 1988-08-08 | Nippon Shokubai Kagaku Kogyo Co Ltd | Exhaust gas purification catalysts |
US4904633A (en) * | 1986-12-18 | 1990-02-27 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas and method for production thereof |
US4791091A (en) * | 1987-09-30 | 1988-12-13 | Allied-Signal Inc. | Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst |
CA1334962C (en) * | 1988-04-14 | 1995-03-28 | Tomohisa Ohata | Catalyst for purifying exhaust gas and method for production thereof |
US5057483A (en) * | 1990-02-22 | 1991-10-15 | Engelhard Corporation | Catalyst composition containing segregated platinum and rhodium components |
US5958829A (en) * | 1992-02-14 | 1999-09-28 | Degussa-Huls Aktiengesellschaft | Coating dispersion for exhaust gas catalysts |
JP3145175B2 (en) * | 1992-03-31 | 2001-03-12 | 三井金属鉱業株式会社 | Exhaust gas purification catalyst and method for producing the same |
JP3297825B2 (en) * | 1994-05-11 | 2002-07-02 | 株式会社キャタラー | Exhaust gas purification catalyst |
US5945369A (en) * | 1994-12-09 | 1999-08-31 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Catalyst for purifying exhaust gases and process for producing the same |
US5981427A (en) * | 1996-09-04 | 1999-11-09 | Engelhard Corporation | Catalyst composition |
DE69728341T2 (en) * | 1996-10-07 | 2004-12-30 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Compound oxide, composite oxide carrier and catalyst |
JP3827838B2 (en) * | 1997-11-20 | 2006-09-27 | ダイハツ工業株式会社 | Exhaust gas purification catalyst |
JP3741303B2 (en) * | 1997-12-08 | 2006-02-01 | トヨタ自動車株式会社 | Exhaust gas purification catalyst |
JP4029233B2 (en) * | 1998-05-11 | 2008-01-09 | 第一稀元素化学工業株式会社 | Cerium-zirconium composite oxide, method for producing the same, and catalyst material for exhaust gas purification |
-
2000
- 2000-02-02 US US09/496,527 patent/US6569392B1/en not_active Expired - Lifetime
-
2001
- 2001-01-29 EP EP01300773A patent/EP1121979B1/en not_active Expired - Lifetime
- 2001-01-29 DE DE60111282T patent/DE60111282T2/en not_active Expired - Lifetime
- 2001-02-01 JP JP2001025301A patent/JP2001232200A/en active Pending
- 2001-02-02 CN CNB011026030A patent/CN1167501C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2001232200A (en) | 2001-08-28 |
DE60111282T2 (en) | 2006-05-18 |
US6569392B1 (en) | 2003-05-27 |
CN1167501C (en) | 2004-09-22 |
CN1316296A (en) | 2001-10-10 |
EP1121979B1 (en) | 2005-06-08 |
EP1121979A1 (en) | 2001-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |